The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 14, 2018
Filed:
Nov. 12, 2015
Crrc Qingdao Sifang Co., Ltd., Qingdao, Shandong, CN;
Hongbo Wang, Shandong, CN;
Yongzhen Qin, Shandong, CN;
Lin Tao, Shandong, CN;
Kexiao Wang, Shandong, CN;
Jinghai Jiao, Shandong, CN;
Li Wang, Shandong, CN;
CRRC QINGDAO SIFANG CO., LTD., Qingdao, Shandong, CN;
Abstract
A rail vehicle control relay board includes a main frame, a mother board and a daughter board assembly which are arranged in the main frame, the main frame includes a board face mounting frame and a daughter board mounting frame which protrudes from the board face mounting frame, the mother board is arranged in the board face mounting frame, and multiple daughter board assemblies perpendicular to the mother board are arranged side by side in the daughter board mounting frame, the daughter board assemblies are electrically connected to the mother board, and multiple first connectors configured to perform output outwards are arranged on the mother board. The rail vehicle control relay board has a high strength, and may reduce the daughter board loosening faults, extend a wiring space and increase the number of relays arranged.